NAICS 238220: Plumbing
This industry comprises establishments primarily engaged in installing and servicing plumbing, heating, and air-conditioning equipment.  Contractors in this industry may provide both parts and labor when performing work.  The work performed may include new work, additions, alterations, maintenance, and repairs.

Illustrative Examples:

Cooling tower installation
Heating, ventilation, and air-conditioning (HVAC) contractors
Duct work (e.g., cooling, dust collection, exhaust, heating, ventilation) installation
Lawn sprinkler system installation
Fire sprinkler system installation
Mechanical contractors
Fireplace, natural gas, installation
Refrigeration system (e.g., commercial, industrial, scientific) installation
Furnace installation
Sewer hookup and connection, building

ExioML sector: Construction work (45)
Region: US | Year: 2022
Sector value added: 916907.924103 M EUR | Employment: 17329.2593376 thousand persons
Sector GHG emissions: 49388377293.7 kg CO2 eq | Energy carrier net total: 903450.264368 TJ | Carbon intensity: 0.05386405329849892

Company: National Boiler Service Inc
National Boiler Service General Information The company offers maintenance and repair of boilers, installation of processed piping, and welding of all materials, as well as management, consulting, engineering, and quality assurance services, thereby reducing costs and safety incidents associated with sudden outages.